Question # 1

EBCDIC is_______bit code;

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4-bit

6-bit

7-bit

8-bit

The connection between modern and outside the world is a /an:

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Digital

Analog

Electrical

Automatic

Which of the following is not a communication media.

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Twisted pair

UTP

Microwave

Modern

In EBCDIC, How many bits to represent characters are used.

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2

4

6

8

The modem's data transfer rate us measured us,

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Kbps

Mbps

MBPS

GBPs

Data communication requires only

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Sender

Receiver

Transmission Medium

All of these

The height of wave within a given period of time is known as

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Frequency

Amplitude

Oscillation

Pulse

Analog signal is measured in;

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Hertz

Bit

Volts

None

Analog signals are measured in.

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Herty

Volt

Watts

Digit

Unicode is a

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16- bit code

32 - bit code

64 - bit code

132 - bit code

Which of the following coding scheme uses 4-bit code

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ASCII

EBCDIC

BCD

Unicode

Data is transmitter block by block in.

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Digital transmission

Analog transmission

Synchronous transmission

Arynchmous transmission

Sound light and radio waves are examples of

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Digital signal

Analog signal

Simple signals

None

Which of the following coding schemes uses 16 bit code

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BCD

ASCII

EBCDIC

Uni Code

Select unguided media from the following.

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Twisted pair

coaxial

Satellite

Fiber optic

A telephone line is an example of:

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Simplex Mode

Half-duplex

Full duplex

None

Amplitude is the characteristic of.

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Digital signal

Analog signal

Parallel signal

Serial transmission

Which of the following techniques uses modulation.

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Mouse

Keyboard

Printer

Light pen

The devices that receives data.

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Soruce

Sink

Transmitter

encoder

Start and stops Bits are not required to this types of transmission.

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Archnchronous

synchronous

Isosynchronous

Mono chronous

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